Finding the Fourth Proportional to 79,947.30, 110,332.62 and 45,966.99
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Solution
The fourth proportional to 79,947.30, 110,332.62 and 45,966.99 is: 63,437.52
Step by Step Solution
- Step 1: Write the proportion equation
79,947.30 : 110,332.62 = 45,966.99 : x - Step 2: Convert to fraction form
79,947.30/110,332.62 = 45,966.99/x - Step 3: Cross multiply
79,947.30x = 110,332.62 × 45,966.99 - Step 4: Simplify right side
79,947.30x = 5,071,658,440.21 - Step 5: Solve for x
x = 5,071,658,440.21/79,947.30 - Step 6: Final answer
x = 63,437.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.